30442042 has 8 divisors (see below), whose sum is σ = 46012032. Its totient is φ = 15104700.

The previous prime is 30442039. The next prime is 30442051. The reversal of 30442042 is 24024403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30442042² = 1853435842259528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57834 + ... + 58357.

It is an arithmetic number, because the mean of its divisors is an integer number (5751504).

Almost surely, 2^30442042 is an apocalyptic number.

30442042 is a deficient number, since it is larger than the sum of its proper divisors (15569990).

30442042 is a wasteful number, since it uses less digits than its factorization.

30442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116324.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 30442042 is about 5517.4307426555. The cubic root of 30442042 is about 312.2419570095.

Adding to 30442042 its reverse (24024403), we get a palindrome (54466445).

The spelling of 30442042 in words is "thirty million, four hundred forty-two thousand, forty-two".